CVE-2026-17090: Beaver Builder Page Builder <= 2.10.2.2 - Authenticated (Author+) Stored Cross-Site Scripting via Button Module 'button' Parameter
The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Button Module 'button' (Button Code) Setting in all versions up to, and including, 2.10.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Beaver Builder grants editor access to any WordPress role holding the editposts capability by default, meaning Author-level users and above can exploit this vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-17090?
The severity of CVE-2026-17090 is medium with a score of 6.4.
How do I fix CVE-2026-17090?
To fix CVE-2026-17090, update the Beaver Builder Page Builder plugin to a version later than 2.10.2.2.
What type of vulnerability is CVE-2026-17090?
CVE-2026-17090 is an authenticated stored cross-site scripting (XSS) vulnerability.
What systems are affected by CVE-2026-17090?
CVE-2026-17090 affects all versions of the Beaver Builder Page Builder plugin for WordPress up to and including 2.10.2.2.
How can CVE-2026-17090 be exploited?
CVE-2026-17090 can be exploited through the Button Module's 'button' parameter due to insufficient input sanitization.